Home / 216,786-329,361

Finding the Third Proportional to 216,786 and 329,361

Calculator

Solution

The third proportional to 216,786 and 329,361 is: 500,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,786 : 329,361 = 329,361 : x
  2. Step 2: Convert to fraction form
    216,786/329,361 = 329,361/x
  3. Step 3: Cross multiply
    216,786x = 329,361 × 329,361
  4. Step 4: Simplify right side
    216,786x = 108,478,668,321
  5. Step 5: Solve for x
    x = 108,478,668,321/216,786
  6. Step 6: Final answer
    x = 500,395.17

Related Problems

Find third proportional to 108,393 and 164,680.50
Half scale
Find third proportional to 433,572 and 658,722
Double scale
Find third proportional to 216,788 and 329,364
Similar ratio
Find third proportional to 325,179 and 494,041.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.